题目内容

can/could/be able to

(1)The fire spread quickly, but the passengers ________ go out.

(2)________ you tell me the way to the nearest hospital?

(3)He is so wise that I think he ________ work it out.

(4)He ________ have taken part in the sports meeting, but he was hurt then.

答案:
解析:

  (1)were able to

  (2)Could

  (3)can

  (4)could


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